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NEW HIGHLY DAMPED ELASTOMERIC ISOLATORS

Designed to protect delicate electronic equipment from damaging shock and vibration, these isolators are widely used in jet aircraft, missile, spacecraft and related ground support equipment. The low-profile design requires a minimum of headroom. Installation is simple; no special openings or tools are needed. Bonded in BTR® elastomer, these mounts have high damping and wide operating temperature range.

Features:

• Rated load range: 8 to 60 lb (3.6 to 27 kg)

• Maximum amplification at resonance: 2.5 to 4, depending on vibration environment

• Operating temperature range: -65°F to +300°F (-54°C to +149°C)

• Gradual snubbing under shock load

• Accommodate vibratory inputs up to 0.06 inch D.A.

• Sustain a 15g, 11ms, half-sine shock pulse without significant change in performance and a 30g, 11ms, half-sine pulse without failure

Benefits:

• Fully bonded: precise, predictable and reliable performance over a wide range of vibration disturbances

• All-attitude performance: axial and radial static and dynamic characteristics nearly the same, can be loaded in any direction

• Fail safe: mechanical interlock keeps equipment in place in the event of elastomeric failure

PEDESTAL MOUNTSPS SERIES

FIGURE 1 – TYPICAL INSTALLATION

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FIGURE 1 – PART DIMENSIONS

FIGURE 2 – LOAD VS. DEFLECTION

FIGURE 3 – TRANSMISSIBILITY VS. FREQUENCY

• Materials: Metal parts and finish – aluminum alloy, chromate treated per MIL-DTL-5541, Class 1A

Inner member – 2024-T3 aluminum

Other metal parts – 2024-T3 aluminum

• Load capacity: 8 to 50 lb (3.6 to 27 kg)

• Mount weight for all variations: 3.0 oz (85 g) max

TABLE 1 – PERFORMANCE CHARACTERISTICS

Part Number

Load Range Nominal Dynamic

Axial Frequency

– fn (Hz)

Dynamic Axial Spring Rate

Dynamic Radial Spring Rate

lb kg lb/in N/mm lb/in N/mm

PS1010 8-12 3.6-5.4 25 638 112 638 112

PS1015 13-19 5.9-8.6 25 957 167 957 167

PS1025 20-28 9.1-13 25 1595 279 1595 279

PS1035 29-41 13-19 25 2233 391 2233 391

PS1050 42-50 19-27 25 3190 558 3190 558

Ordering Information:Although aluminum components are considered standard, pedestal mounts with steel components may also be ordered. A suffix letter “A” designates aluminum and letter “S” designates steel.All variations of pedestal mount are available with either a through hole or a tapped hole in the center of the mount. The standard size is 1/4 in (6.35 mm). The type of hole is indicated by a suffix.Explanation of part numbering system:P S 10 15 - A - 8

* Other materials available as specials only.

0.01

0.1

1

10

1 10 100 1000

Tran

smis

sibi

lity

(T)

Frequency (Hz)

300F

70F

-65F

Metric values in parenthesis.

PEDESTAL MOUNTSPS SERIES

Ø2.29 2.27 (58.2) (57.6)

Ø.211 .199 (5.36) (5.05)

R .24 .22 (6.1) (5.6)

2.39 2.37 (60.7) (60.2)

1.94 (49.2)

.97 (24.6)

1.14 1.11 (29.0) (28.2)

.086

.074 (2.18) (1.88)

.24

.21 (6.1) (5.3)

THRU OR TAPPED (HOLE) (SEE ORDERING INFORMATION)

)

-8 1/4 in (6.35 mm) diameter through hole 1/4-28 UNF-2B hole (tapped through)A = aluminum components*Nominal load rating (lb)Mount series (1000)Silicone elastomer (LORD BTR®)Pedestal Type

0

200

400

600

800

1000

1200

1400

1600

0.0 1.0 2.0 3.0 4.0 5.0 6.0

0

50

100

150

200

250

300

350

400

0.00 0.05 0.10 0.15 0.20 0.25

Load

(N)

De�ection (mm)

Load

(lbs

)

De�ection (in)

PS1010PS1015PS1025PS1035PS1050

Ø 2.292.27

(58.2)(57.7)

1.141.11

(29.0)(28.2)

.09

.07(2.3)(1.8)